﻿
using System;
using System.Data;
using System.Collections.Generic;
using SF.Model;
using System.Data.SqlClient;
namespace SF.BLL
{
	/// <summary>
	/// 商品图片信息
	/// </summary>
	public partial class sf_goods_img
	{
        private readonly SF.DAL.sf_goods_img dal = new SF.DAL.sf_goods_img();
		public sf_goods_img()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
			return dal.GetMaxId();
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int id)
		{
			return dal.Exists(id);
		}

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public bool Add(SF.Model.sf_goods_img model)
		{
			return dal.Add(model);
		}

		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(SF.Model.sf_goods_img model)
		{
			return dal.Update(model);
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int id)
		{
			
			return dal.Delete(id);
		}
		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool DeleteList(string idlist )
		{
			return dal.DeleteList(idlist );
		}

		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public SF.Model.sf_goods_img GetModel(int id)
		{
			
			return dal.GetModel(id);
		}

		/// <summary>
        /// 得到一个对象实体
        /// 通过商品编号
        /// </summary>
        public SF.Model.sf_goods_img GetModel(String goodsNum,string where) {
            return dal.GetModel(goodsNum, where);
        }

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			return dal.GetList(strWhere);
		}
		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			return dal.GetList(Top,strWhere,filedOrder);
		}
		/// <summary>
		/// 获得数据列表
		/// </summary>
		public List<SF.Model.sf_goods_img> GetModelList(string strWhere)
		{
			DataSet ds = dal.GetList(strWhere);
			return DataTableToList(ds.Tables[0]);
		}
		/// <summary>
		/// 获得数据列表
		/// </summary>
		public List<SF.Model.sf_goods_img> DataTableToList(DataTable dt)
		{
			List<SF.Model.sf_goods_img> modelList = new List<SF.Model.sf_goods_img>();
			int rowsCount = dt.Rows.Count;
			if (rowsCount > 0)
			{
				SF.Model.sf_goods_img model;
				for (int n = 0; n < rowsCount; n++)
				{
					model = dal.DataRowToModel(dt.Rows[n]);
					if (model != null)
					{
						modelList.Add(model);
					}
				}
			}
			return modelList;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetAllList()
		{
			return GetList("");
		}

		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			return dal.GetRecordCount(strWhere);
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			return dal.GetListByPage( strWhere,  orderby,  startIndex,  endIndex);
		}

        /// <summary>
        /// 查找不存在的图片并删除已删除的图片及数据
        /// </summary>
        public void DeleteList(SqlConnection conn, SqlTransaction trans, List<Model.sf_goods_img> models, String goodsNum,string where) {
            dal.DeleteList( conn,  trans, models,  goodsNum,where);
        }

        /// <summary>
        /// 删除相册图片
        /// </summary>
        public void DeleteFile(List<Model.sf_goods_img> models) {
             dal.DeleteFile(models);
        }

        /// <summary>
        /// 通过文件路劲删除文件
        /// </summary>
        /// <param name="file"></param>
        public void DeleteFile(String file)
        {
            dal.DeleteFile(file);
        }
        
		#endregion  BasicMethod
		#region  ExtensionMethod

        /// <summary>
        /// 修改一列数据
        /// </summary>
        public bool UpdateField(string strValue, string where)
        {
            return dal.UpdateField(strValue, where);
        }
		#endregion  ExtensionMethod
	}
}

